Rational Zeros and Solving Polynomial Functions

Rational Zeros and Solving Polynomial Functions

9th - 12th Grade

20 Qs

quiz-placeholder

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Rational Zeros and Solving Polynomial Functions

Rational Zeros and Solving Polynomial Functions

Assessment

Quiz

Mathematics

9th - 12th Grade

Hard

CCSS
HSF-IF.C.7C, HSA.APR.B.2, HSA.APR.D.6

+1

Standards-aligned

Created by

Barbara White

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

True or False:  If (7x + 4) is a factor of some polynomial function f, then 4/7  is a zero of the function. 
True
False

Tags

CCSS.HSA.APR.B.2

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is a COMPLETE  list of all possible Rational Zeros?
f(x) = 2x3 + 5x2 - 9x + 5
±1, 5, 1/2, 5/2
±1, 2, 5, 1/2, 5/2
±1, 5
±1, 2, 5, 1/2, 5/2, 2/5

Tags

CCSS.HSA.APR.B.2

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Which of the following is a COMPLETE  list of all possible Rational Zeros?
f(x) = 3x3 + 2x2 - 6x + 7
±1, 7, 1/3, 7/3
±1, 7
±1, 3, 7, 7/3
±1, 3, 7, 1/3, 7/3

Tags

CCSS.HSA.APR.B.2

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Below are four possible zeros for this polynomial.
Figure out which one "works" and can be used to find the others.
f(x) = x3 - 8x2 - 23x + 30
3
-1
-10
1

Tags

CCSS.HSF-IF.C.7C

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Below are four possible zeros for this polynomial.
Figure out which one "works" and can be used to find the others.
f(x) = x3 + 2x2 - 11x - 12
-3
-4
1
6

Tags

CCSS.HSF-IF.C.7C

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Find all rational zeros, one zero has been given.
f(x) = 2x3+5x2-6x-9;   -3
-1,-3,-3
-1,-3,3/2
3,3,3
-3,2/3,-1

Tags

CCSS.HSF-IF.C.7C

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

The degree of the polynomial determines the number of roots.
True
False

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